Solutions Statistics

An investor studying the relationship between anxiety and school achievement selects a random sample

Question: An investor studying the relationship between anxiety and school achievement selects a random sample of 15 fifth-grade students, all age 10s. Each student is given an anxiety test (high scores signifying high anxiety), and then these measures are paired with the student's score on an academic achievement test. The data are as follows:

Subject	Anxiety Score	Achievement Score
1	10	2
2	2	10
3	8	7
4	6	5
5	8	1
6	5	6
7	2	10
8	6	5
9	4	6
10	9	3
11	5	6
12	6	5
13	8	2
14	5	4
15	1	9

a. Calculate the Pearson r correlation.

b. Is it significant?

c. Interpret these results. Does anxiety prevent some children from performing academically? Does a poor academic performance tend to produce anxiety in some children?

Price: $2.99

See Answer: The solution consists of 3 pages
Solution Format: Word Document